717  
WWUS46 KSTO 151031  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
331 AM PDT WED OCT 15 2025  
 
CAZ069-151200-  
/O.CON.KSTO.WS.W.0010.000000T0000Z-251015T1200Z/  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF BLUE CANYON  
331 AM PDT WED OCT 15 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS  
MORNING...  
 
* WHAT...ADDITIONAL SNOW ACCUMULATIONS UP TO ONE INCH.  
 
* WHERE...WEST SLOPE NORTHERN SIERRA NEVADA COUNTY.  
 
* WHEN...UNTIL 5 AM PDT EARLY THIS MORNING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.  
 
* ADDITIONAL DETAILS...SNOW LEVELS WILL BE 5500 TO 6500 FEET, WITH  
LIGHT ACCUMULATIONS EXPECTED. CHAIN CONTROLS ARE STILL ACTIVE  
ALONG I-80 AND HWY-50, USE CAUTION IF TRAVELING IN HIGHER  
ELEVATIONS OF THE SIERRA NEVADA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT  
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.  
 

 
 

 
 
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/STO/  
 
WOOD  
 
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